This is how Starlight, Trixie, Thorax, and Discord recover Optimus and Twilight's bodies goes in The Return of Optimus Prime and Twilight Sparkle Part 1.
[Starlight leads Trixie, Thorax, and Discord down a corridor]
Starlight Glimmer: Any sign yet?
Thorax: We see it. It's on a collision course with that planet.
[Starlight's horn glows]
Starlight Glimmer: I'm picking up life signs.
[The screen comes up to reveal Optimus Prime and Twilight Sparkle sitting in the command chair]
Starlight Glimmer: Optimus? Twilight?